tofsee | ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72

Analysis

max time kernel
147s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:15

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General

Target

JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe
Size

240KB
MD5

e18f55416688875bd059aa78bad93fc5
SHA1

4b3c98a0eede1f6d9c3641f41ad5bcdef901430f
SHA256

ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72
SHA512

6eda58d760b9cf68dc61441899bf3a7427c3eda588d18db1b27fba90536d69c0b3b19c66221a43c2097b6bb58bfd5a8a3bce695d62dfee5f76f5ad588b89a6a7
SSDEEP

3072:kItj9qmR1YGra4etPzs+0aIC7yKzbaBwNrrFpxf8cd/J5obromE9QsPB:kgJFYGrTwzsyKwhFpxfLFH9rP

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\hwytriuu = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2616	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\hwytriuu\ImagePath = "C:\\Windows\\SysWOW64\\hwytriuu\\nhdjuewc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2156	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	nhdjuewc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2156	2736	nhdjuewc.exe	43

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2732	sc.exe
2828	sc.exe
2704	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nhdjuewc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2720	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	30
PID 2260 wrote to memory of 2720	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	30
PID 2260 wrote to memory of 2720	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	30
PID 2260 wrote to memory of 2720	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	30
PID 2260 wrote to memory of 2340	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	32
PID 2260 wrote to memory of 2340	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	32
PID 2260 wrote to memory of 2340	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	32
PID 2260 wrote to memory of 2340	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	32
PID 2260 wrote to memory of 2704	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	34
PID 2260 wrote to memory of 2704	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	34
PID 2260 wrote to memory of 2704	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	34
PID 2260 wrote to memory of 2704	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	34
PID 2260 wrote to memory of 2732	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	36
PID 2260 wrote to memory of 2732	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	36
PID 2260 wrote to memory of 2732	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	36
PID 2260 wrote to memory of 2732	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	36
PID 2260 wrote to memory of 2828	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	38
PID 2260 wrote to memory of 2828	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	38
PID 2260 wrote to memory of 2828	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	38
PID 2260 wrote to memory of 2828	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	38
PID 2260 wrote to memory of 2616	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	41
PID 2260 wrote to memory of 2616	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	41
PID 2260 wrote to memory of 2616	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	41
PID 2260 wrote to memory of 2616	2260	JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe	41
PID 2736 wrote to memory of 2156	2736	nhdjuewc.exe	43
PID 2736 wrote to memory of 2156	2736	nhdjuewc.exe	43
PID 2736 wrote to memory of 2156	2736	nhdjuewc.exe	43
PID 2736 wrote to memory of 2156	2736	nhdjuewc.exe	43
PID 2736 wrote to memory of 2156	2736	nhdjuewc.exe	43
PID 2736 wrote to memory of 2156	2736	nhdjuewc.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hwytriuu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nhdjuewc.exe" C:\Windows\SysWOW64\hwytriuu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2340
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hwytriuu binPath= "C:\Windows\SysWOW64\hwytriuu\nhdjuewc.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hwytriuu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hwytriuu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2616

C:\Windows\SysWOW64\hwytriuu\nhdjuewc.exe
C:\Windows\SysWOW64\hwytriuu\nhdjuewc.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nhdjuewc.exe

Filesize
14.3MB

MD5
3b83e695cfa93bb3cc57333e70742a1f

SHA1
cf279a904cf4b48ee4455ca4ec338a1e1cc31ab4

SHA256
1fbb8a90bbbea65db047f5ed9650a5ae487d39c05508d612b2529cca2817df10

SHA512
81b9500d74f4076a3503064a282136cc523260110cefdd9f68e0ba027f05d8ba53af03183817559a5097cb55bfbefd0a7340d8d9fef945b3b1fe607979036082

Download Submit
memory/2156-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2156-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2156-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2156-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2156-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2260-8-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/2260-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2260-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2260-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2260-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2260-1-0x0000000000A30000-0x0000000000B30000-memory.dmp

Filesize
1024KB

Download
memory/2736-15-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads